(syz.2.14,3744,0):ocfs2_block_check_validate:402 ERROR: CRC32 failed: stored: 0xb3775c19, computed 0x2dd1c265. Applying ECC. JBD2: Ignoring recovery information on journal ocfs2: Mounting device (7,2) on (node local, slot 0) with ordered data mode. ====================================================== WARNING: possible circular locking dependency detected 5.15.168-syzkaller #0 Not tainted ------------------------------------------------------ syz.2.14/3744 is trying to acquire lock: ffff888022e44650 (sb_internal#3){.+.+}-{0:0}, at: ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1277 [inline] ffff888022e44650 (sb_internal#3){.+.+}-{0:0}, at: ocfs2_reserve_local_alloc_bits+0xbf9/0x27a0 fs/ocfs2/localalloc.c:668 but task is already holding lock: ffff888061183488 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline] ffff888061183488 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}, at: ocfs2_reserve_suballoc_bits+0x18e/0x4c70 fs/ocfs2/suballoc.c:782 which lock already depends on the new lock. the existing dependency chain (in reverse order) is: -> #8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 down_write+0x38/0x60 kernel/locking/rwsem.c:1551 inode_lock include/linux/fs.h:789 [inline] ocfs2_reserve_suballoc_bits+0x18e/0x4c70 fs/ocfs2/suballoc.c:782 ocfs2_reserve_cluster_bitmap_bits+0xc1/0x1d0 fs/ocfs2/suballoc.c:1128 ocfs2_local_alloc_reserve_for_window fs/ocfs2/localalloc.c:1131 [inline] ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1267 [inline] ocfs2_reserve_local_alloc_bits+0x941/0x27a0 fs/ocfs2/localalloc.c:668 ocfs2_reserve_clusters_with_limit+0x1b4/0xb50 fs/ocfs2/suballoc.c:1162 ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline] ocfs2_lock_allocators+0x306/0x620 fs/ocfs2/suballoc.c:2669 ocfs2_extend_allocation+0x4e8/0x1ba0 fs/ocfs2/file.c:588 ocfs2_extend_no_holes+0x1f2/0x490 fs/ocfs2/file.c:1030 ocfs2_acquire_dquot+0x631/0xb40 fs/ocfs2/quota_global.c:836 dqget+0x762/0xe90 fs/quota/dquot.c:986 ocfs2_setattr+0xcf3/0x1c70 fs/ocfs2/file.c:1233 notify_change+0xc6d/0xf50 fs/attr.c:505 chown_common+0x592/0x890 fs/open.c:680 vfs_fchown fs/open.c:748 [inline] ksys_fchown+0xde/0x150 fs/open.c:759 __do_sys_fchown fs/open.c:767 [inline] __se_sys_fchown fs/open.c:765 [inline] __x64_sys_fchown+0x76/0x80 fs/open.c:765 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #7 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 down_write+0x38/0x60 kernel/locking/rwsem.c:1551 inode_lock include/linux/fs.h:789 [inline] ocfs2_reserve_local_alloc_bits+0x12e/0x27a0 fs/ocfs2/localalloc.c:635 ocfs2_reserve_clusters_with_limit+0x1b4/0xb50 fs/ocfs2/suballoc.c:1162 ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline] ocfs2_lock_allocators+0x306/0x620 fs/ocfs2/suballoc.c:2669 ocfs2_extend_allocation+0x4e8/0x1ba0 fs/ocfs2/file.c:588 ocfs2_extend_no_holes+0x1f2/0x490 fs/ocfs2/file.c:1030 ocfs2_acquire_dquot+0x631/0xb40 fs/ocfs2/quota_global.c:836 dqget+0x762/0xe90 fs/quota/dquot.c:986 ocfs2_setattr+0xcf3/0x1c70 fs/ocfs2/file.c:1233 notify_change+0xc6d/0xf50 fs/attr.c:505 chown_common+0x592/0x890 fs/open.c:680 vfs_fchown fs/open.c:748 [inline] ksys_fchown+0xde/0x150 fs/open.c:759 __do_sys_fchown fs/open.c:767 [inline] __se_sys_fchown fs/open.c:765 [inline] __x64_sys_fchown+0x76/0x80 fs/open.c:765 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #6 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 down_write+0x38/0x60 kernel/locking/rwsem.c:1551 ocfs2_lock_global_qf+0x221/0x2a0 fs/ocfs2/quota_global.c:314 ocfs2_acquire_dquot+0x299/0xb40 fs/ocfs2/quota_global.c:811 dqget+0x762/0xe90 fs/quota/dquot.c:986 ocfs2_setattr+0xcf3/0x1c70 fs/ocfs2/file.c:1233 notify_change+0xc6d/0xf50 fs/attr.c:505 chown_common+0x592/0x890 fs/open.c:680 vfs_fchown fs/open.c:748 [inline] ksys_fchown+0xde/0x150 fs/open.c:759 __do_sys_fchown fs/open.c:767 [inline] __se_sys_fchown fs/open.c:765 [inline] __x64_sys_fchown+0x76/0x80 fs/open.c:765 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #5 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{3:3}: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 down_write+0x38/0x60 kernel/locking/rwsem.c:1551 inode_lock include/linux/fs.h:789 [inline] ocfs2_lock_global_qf+0x202/0x2a0 fs/ocfs2/quota_global.c:313 ocfs2_acquire_dquot+0x299/0xb40 fs/ocfs2/quota_global.c:811 dqget+0x762/0xe90 fs/quota/dquot.c:986 ocfs2_setattr+0xcf3/0x1c70 fs/ocfs2/file.c:1233 notify_change+0xc6d/0xf50 fs/attr.c:505 chown_common+0x592/0x890 fs/open.c:680 vfs_fchown fs/open.c:748 [inline] ksys_fchown+0xde/0x150 fs/open.c:759 __do_sys_fchown fs/open.c:767 [inline] __se_sys_fchown fs/open.c:765 [inline] __x64_sys_fchown+0x76/0x80 fs/open.c:765 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #4 (&dquot->dq_lock){+.+.}-{3:3}: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 __mutex_lock_common+0x1da/0x25a0 kernel/locking/mutex.c:596 __mutex_lock kernel/locking/mutex.c:729 [inline] mutex_lock_nested+0x17/0x20 kernel/locking/mutex.c:743 dquot_commit+0x57/0x510 fs/quota/dquot.c:507 ext4_write_dquot+0x1fd/0x360 fs/ext4/super.c:6173 mark_dquot_dirty fs/quota/dquot.c:372 [inline] mark_all_dquot_dirty+0xf7/0x400 fs/quota/dquot.c:412 __dquot_alloc_space+0xdd8/0x1090 fs/quota/dquot.c:1750 dquot_alloc_space_nodirty include/linux/quotaops.h:297 [inline] dquot_alloc_space include/linux/quotaops.h:310 [inline] dquot_alloc_block include/linux/quotaops.h:334 [inline] ext4_mb_new_blocks+0x12d8/0x4d60 fs/ext4/mballoc.c:5739 ext4_ext_map_blocks+0x1b01/0x7630 fs/ext4/extents.c:4339 ext4_map_blocks+0xa66/0x1c70 fs/ext4/inode.c:672 ext4_getblk+0x19f/0x710 fs/ext4/inode.c:869 ext4_bread+0x2a/0x170 fs/ext4/inode.c:922 ext4_append+0x31f/0x5c0 fs/ext4/namei.c:83 ext4_init_new_dir+0x33a/0xa20 fs/ext4/namei.c:3030 ext4_mkdir+0x4f2/0xce0 fs/ext4/namei.c:3076 vfs_mkdir+0x3b6/0x590 fs/namei.c:4065 do_mkdirat+0x260/0x520 fs/namei.c:4090 __do_sys_mkdirat fs/namei.c:4105 [inline] __se_sys_mkdirat fs/namei.c:4103 [inline] __x64_sys_mkdirat+0x85/0x90 fs/namei.c:4103 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #3 (&ei->i_data_sem){++++}-{3:3}: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 down_write+0x38/0x60 kernel/locking/rwsem.c:1551 ext4_truncate+0x974/0x1130 fs/ext4/inode.c:4244 ext4_setattr+0xf96/0x1990 fs/ext4/inode.c:5553 notify_change+0xc6d/0xf50 fs/attr.c:505 do_truncate+0x21c/0x300 fs/open.c:65 do_sys_ftruncate+0x2eb/0x390 fs/open.c:193 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #2 (jbd2_handle){++++}-{0:0}: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 start_this_handle+0x12e1/0x1570 fs/jbd2/transaction.c:464 jbd2__journal_start+0x2d1/0x5c0 fs/jbd2/transaction.c:521 jbd2_journal_start+0x25/0x30 fs/jbd2/transaction.c:560 ocfs2_start_trans+0x3c2/0x6f0 fs/ocfs2/journal.c:354 ocfs2_modify_bh+0xe9/0x4c0 fs/ocfs2/quota_local.c:101 ocfs2_local_read_info+0x1587/0x19e0 fs/ocfs2/quota_local.c:768 dquot_load_quota_sb+0x754/0xb90 fs/quota/dquot.c:2461 dquot_load_quota_inode+0x318/0x600 fs/quota/dquot.c:2498 ocfs2_enable_quotas+0x165/0x440 fs/ocfs2/super.c:927 ocfs2_fill_super+0x440e/0x58a0 fs/ocfs2/super.c:1140 mount_bdev+0x2c9/0x3f0 fs/super.c:1400 legacy_get_tree+0xeb/0x180 fs/fs_context.c:611 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x2ba/0xb40 fs/namespace.c:3012 do_mount fs/namespace.c:3355 [inline] __do_sys_mount fs/namespace.c:3563 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3540 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #1 (&journal->j_trans_barrier){.+.+}-{3:3}: lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 down_read+0x45/0x2e0 kernel/locking/rwsem.c:1498 ocfs2_start_trans+0x3b7/0x6f0 fs/ocfs2/journal.c:352 ocfs2_modify_bh+0xe9/0x4c0 fs/ocfs2/quota_local.c:101 ocfs2_local_read_info+0x1587/0x19e0 fs/ocfs2/quota_local.c:768 dquot_load_quota_sb+0x754/0xb90 fs/quota/dquot.c:2461 dquot_load_quota_inode+0x318/0x600 fs/quota/dquot.c:2498 ocfs2_enable_quotas+0x165/0x440 fs/ocfs2/super.c:927 ocfs2_fill_super+0x440e/0x58a0 fs/ocfs2/super.c:1140 mount_bdev+0x2c9/0x3f0 fs/super.c:1400 legacy_get_tree+0xeb/0x180 fs/fs_context.c:611 vfs_get_tree+0x88/0x270 fs/super.c:1530 do_new_mount+0x2ba/0xb40 fs/namespace.c:3012 do_mount fs/namespace.c:3355 [inline] __do_sys_mount fs/namespace.c:3563 [inline] __se_sys_mount+0x2d5/0x3c0 fs/namespace.c:3540 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 -> #0 (sb_internal#3){.+.+}-{0:0}: check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 percpu_down_read include/linux/percpu-rwsem.h:51 [inline] __sb_start_write include/linux/fs.h:1813 [inline] sb_start_intwrite include/linux/fs.h:1930 [inline] ocfs2_start_trans+0x2b2/0x6f0 fs/ocfs2/journal.c:350 ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1277 [inline] ocfs2_reserve_local_alloc_bits+0xbf9/0x27a0 fs/ocfs2/localalloc.c:668 ocfs2_reserve_clusters_with_limit+0x1b4/0xb50 fs/ocfs2/suballoc.c:1162 ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline] ocfs2_lock_allocators+0x306/0x620 fs/ocfs2/suballoc.c:2669 ocfs2_extend_allocation+0x4e8/0x1ba0 fs/ocfs2/file.c:588 ocfs2_extend_no_holes+0x1f2/0x490 fs/ocfs2/file.c:1030 ocfs2_acquire_dquot+0x631/0xb40 fs/ocfs2/quota_global.c:836 dqget+0x762/0xe90 fs/quota/dquot.c:986 ocfs2_setattr+0xcf3/0x1c70 fs/ocfs2/file.c:1233 notify_change+0xc6d/0xf50 fs/attr.c:505 chown_common+0x592/0x890 fs/open.c:680 vfs_fchown fs/open.c:748 [inline] ksys_fchown+0xde/0x150 fs/open.c:759 __do_sys_fchown fs/open.c:767 [inline] __se_sys_fchown fs/open.c:765 [inline] __x64_sys_fchown+0x76/0x80 fs/open.c:765 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 other info that might help us debug this: Chain exists of: sb_internal#3 --> &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3 --> &ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4 Possible unsafe locking scenario: CPU0 CPU1 ---- ---- lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4); lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3); lock(&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4); lock(sb_internal#3); *** DEADLOCK *** 7 locks held by syz.2.14/3744: #0: ffff888022e44460 (sb_writers#14){.+.+}-{0:0}, at: mnt_want_write_file+0x5a/0x1f0 fs/namespace.c:421 #1: ffff8880611489c8 (&type->i_mutex_dir_key#9){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline] #1: ffff8880611489c8 (&type->i_mutex_dir_key#9){+.+.}-{3:3}, at: chown_common+0x499/0x890 fs/open.c:674 #2: ffff8880611f40a8 (&dquot->dq_lock){+.+.}-{3:3}, at: ocfs2_acquire_dquot+0x28c/0xb40 fs/ocfs2/quota_global.c:806 #3: ffff8880611842c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline] #3: ffff8880611842c8 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#2){+.+.}-{3:3}, at: ocfs2_lock_global_qf+0x202/0x2a0 fs/ocfs2/quota_global.c:313 #4: ffff888061183f60 (&ocfs2_quota_ip_alloc_sem_key){++++}-{3:3}, at: ocfs2_lock_global_qf+0x221/0x2a0 fs/ocfs2/quota_global.c:314 #5: ffff88806118a648 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline] #5: ffff88806118a648 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#3){+.+.}-{3:3}, at: ocfs2_reserve_local_alloc_bits+0x12e/0x27a0 fs/ocfs2/localalloc.c:635 #6: ffff888061183488 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}, at: inode_lock include/linux/fs.h:789 [inline] #6: ffff888061183488 (&ocfs2_sysfile_lock_key[args->fi_sysfile_type]#4){+.+.}-{3:3}, at: ocfs2_reserve_suballoc_bits+0x18e/0x4c70 fs/ocfs2/suballoc.c:782 stack backtrace: CPU: 0 PID: 3744 Comm: syz.2.14 Not tainted 5.15.168-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: __dump_stack lib/dump_stack.c:88 [inline] dump_stack_lvl+0x1e3/0x2d0 lib/dump_stack.c:106 check_noncircular+0x2f8/0x3b0 kernel/locking/lockdep.c:2133 check_prev_add kernel/locking/lockdep.c:3053 [inline] check_prevs_add kernel/locking/lockdep.c:3172 [inline] validate_chain+0x1649/0x5930 kernel/locking/lockdep.c:3788 __lock_acquire+0x1295/0x1ff0 kernel/locking/lockdep.c:5012 lock_acquire+0x1db/0x4f0 kernel/locking/lockdep.c:5623 percpu_down_read include/linux/percpu-rwsem.h:51 [inline] __sb_start_write include/linux/fs.h:1813 [inline] sb_start_intwrite include/linux/fs.h:1930 [inline] ocfs2_start_trans+0x2b2/0x6f0 fs/ocfs2/journal.c:350 ocfs2_local_alloc_slide_window fs/ocfs2/localalloc.c:1277 [inline] ocfs2_reserve_local_alloc_bits+0xbf9/0x27a0 fs/ocfs2/localalloc.c:668 ocfs2_reserve_clusters_with_limit+0x1b4/0xb50 fs/ocfs2/suballoc.c:1162 ocfs2_reserve_clusters fs/ocfs2/suballoc.c:1223 [inline] ocfs2_lock_allocators+0x306/0x620 fs/ocfs2/suballoc.c:2669 ocfs2_extend_allocation+0x4e8/0x1ba0 fs/ocfs2/file.c:588 ocfs2_extend_no_holes+0x1f2/0x490 fs/ocfs2/file.c:1030 ocfs2_acquire_dquot+0x631/0xb40 fs/ocfs2/quota_global.c:836 dqget+0x762/0xe90 fs/quota/dquot.c:986 ocfs2_setattr+0xcf3/0x1c70 fs/ocfs2/file.c:1233 notify_change+0xc6d/0xf50 fs/attr.c:505 chown_common+0x592/0x890 fs/open.c:680 vfs_fchown fs/open.c:748 [inline] ksys_fchown+0xde/0x150 fs/open.c:759 __do_sys_fchown fs/open.c:767 [inline] __se_sys_fchown fs/open.c:765 [inline] __x64_sys_fchown+0x76/0x80 fs/open.c:765 do_syscall_x64 arch/x86/entry/common.c:50 [inline] do_syscall_64+0x3b/0xb0 arch/x86/entry/common.c:80 entry_SYSCALL_64_after_hwframe+0x66/0xd0 RIP: 0033:0x7fb6860ecff9 Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 RSP: 002b:00007fb684565038 EFLAGS: 00000246 ORIG_RAX: 000000000000005d RAX: ffffffffffffffda RBX: 00007fb6862a4f80 RCX: 00007fb6860ecff9 RDX: 0000000020202020 RSI: 0000000020737365 RDI: 0000000000000006 RBP: 00007fb68615f296 R08: 0000000000000000 R09: 0000000000000000 R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 R13: 0000000000000000 R14: 00007fb6862a4f80 R15: 00007ffe73dbb7b8